#21053B#21053B

#21053B is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 20.8% C 0.096 H 302.1°. Best body text is #FFFFFF at 18.27:1 contrast (WCAG AA passes).

Color values

HEX	#21053B
RGB	rgb(33, 5, 59)
HSL	hsl(271, 84%, 13%)
HSV	hsv(271, 92%, 23%)
CMYK	cmyk(44.1%, 91.5%, 0%, 76.9%)
CIE-LAB	lab(6.75, 26.52, -28.37)
CIE-LCH	lch(6.75, 38.83, 313.07°)
OKLab	oklab(20.78% 0.0511 -0.0814)
OKLCH	oklch(20.78% 0.096 302.1)
XYZ	xyz(1.4707, 0.7476, 4.2037)
Luminance	0.0075 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21053B #1F3B05

analogous

#06053B #21053B #3B053A

triadic

#21053B #3B2105 #053B21

tetradic

#21053B #3B0605 #1F3B05 #053A3B

square

#21053B #3B0605 #1F3B05 #053A3B

split-complementary

#21053B #3A3B05 #053B06

monochromatic

#10021C #10021C #21053B #410A73 #600FAC

Accessibility & contrast

On white

18.27

#21053B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#21053B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21053B

18.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21053B	#FFFFFF	#000000	##FFFFFF
##21053B	1.00	18.27	1.15	18.27
#FFFFFF	18.27	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00153C

Deuteranopia (green-blind)

#00153A

Tritanopia (blue-blind)

#1B1320

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #21053b;
/* rgb */ color: rgb(33, 5, 59);
/* oklch */ color: oklch(20.8% 0.096 302.1);

Tailwind

colors: {
  custom: {
    50: '#604871',
    500: '#21053b',
    950: '#000000',
  },
}

SCSS

$custom: #21053b;
$custom-light: #604871;
$custom-dark: #000000;

JSON

{
  "hex": "#21053b",
  "rgb": {
    "r": 33,
    "g": 5,
    "b": 59
  },
  "hsl": {
    "h": 271.111,
    "s": 84.375,
    "l": 12.549
  },
  "oklch": {
    "l": 0.20784,
    "c": 0.0961,
    "h": 302.1
  },
  "luminance": 0.00748
}

Semantic roles & 50–950 ramp

primary

#21053B

secondary

#4C7C20

accent

#FB2D90

background

#F5F4F6

surface

#EAE7EC

border

#C6C3C7

text

#050108

muted

#79777B

Preview Lab

Preview with #21053B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →